ISS1

Horizons

Directions ISS

LatCH = 40 (slider from 0 to 90, step 1)
LatSG = 69 (slider from 0 to 90, step 1)
r = 6.37
C = Intersect(xAxis, yAxis)
c = Circle(C, r)
E: (-r, 0)
S_{G} = Rotate(E, -LatSG °, C)
C_{H} = Rotate(E, -LatCH °, C)
a = Segment(C_{H}, C)
b = Segment(C, S_{G})
d = OrthogonalLine(C_{H}, a)
e = OrthogonalLine(S_{G}, b)
f = Segment(S_{G}, C_{H})
H1 = 60.699999999999996
H2 = 19.19999999999999
B = Point(d)
B' = Rotate(B, H2 °, C_{H})
g = Ray(C_{H}, B')
C_1 = Point(e)
C' = Rotate(C_1, H1 °, S_{G})
h = Ray(S_{G}, C')
D = Point(e)
β = Angle(C, S_{G}, D)
F = Point(d)
α = Angle(C, C_{H}, F)
j = true
G = Point(e)
H = Point(h)
I = Point(d)
J = Point(g)
γ = Angle(G, S_{G}, H)
δ = Angle(I, C_{H}, J)
K = Point(g)
u = Vector(C_{H}, K)
L = Point(h)
v = Vector(S_{G}, L)
i = true